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".
20 #include <palacios/vmm_dev_mgr.h>
21 #include <palacios/vm_guest.h>
22 #include <palacios/vmm.h>
23 #include <palacios/vmm_decoder.h>
25 #ifdef V3_CONFIG_CHECKPOINT
26 #include <palacios/vmm_checkpoint.h>
28 #define V3_MAX_DEVICE_NAME 32
33 #ifndef V3_CONFIG_DEBUG_DEV_MGR
35 #define PrintDebug(fmt, args...)
39 static struct hashtable * master_dev_table = NULL;
41 static uint_t dev_hash_fn(addr_t key) {
42 char * name = (char *)key;
43 return v3_hash_buffer((uchar_t *)name, strlen(name));
46 static int dev_eq_fn(addr_t key1, addr_t key2) {
47 char * name1 = (char *)key1;
48 char * name2 = (char *)key2;
50 return (strcmp(name1, name2) == 0);
54 int V3_init_devices() {
55 extern struct v3_device_info __start__v3_devices[];
56 extern struct v3_device_info __stop__v3_devices[];
57 struct v3_device_info * tmp_dev = __start__v3_devices;
60 #ifdef V3_CONFIG_DEBUG_DEV_MGR
62 int num_devices = (__stop__v3_devices - __start__v3_devices) / sizeof(struct v3_device_info);
63 PrintDebug(VM_NONE, VCORE_NONE, "%d Virtual devices registered with Palacios\n", num_devices);
67 PrintDebug(VM_NONE, VCORE_NONE, "Start addres=%p, Stop address=%p\n", __start__v3_devices, __stop__v3_devices);
69 master_dev_table = v3_create_htable(0, dev_hash_fn, dev_eq_fn);
73 while (tmp_dev != __stop__v3_devices) {
74 V3_Print(VM_NONE, VCORE_NONE, "Registering Device: %s\n", tmp_dev->name);
76 if (v3_htable_search(master_dev_table, (addr_t)(tmp_dev->name))) {
77 PrintError(VM_NONE, VCORE_NONE, "Multiple instance of device (%s)\n", tmp_dev->name);
81 if (v3_htable_insert(master_dev_table,
82 (addr_t)(tmp_dev->name),
83 (addr_t)(tmp_dev->init)) == 0) {
84 PrintError(VM_NONE, VCORE_NONE, "Could not add device %s to master list\n", tmp_dev->name);
88 tmp_dev = &(__start__v3_devices[++i]);
96 int V3_deinit_devices() {
97 if (master_dev_table) {
98 v3_free_htable(master_dev_table, 0, 0);
105 int v3_init_dev_mgr(struct v3_vm_info * vm) {
106 struct vmm_dev_mgr * mgr = &(vm->dev_mgr);
108 INIT_LIST_HEAD(&(mgr->dev_list));
111 mgr->dev_table = v3_create_htable(0, dev_hash_fn, dev_eq_fn);
113 INIT_LIST_HEAD(&(mgr->blk_list));
114 INIT_LIST_HEAD(&(mgr->net_list));
115 INIT_LIST_HEAD(&(mgr->char_list));
116 INIT_LIST_HEAD(&(mgr->cons_list));
118 mgr->blk_table = v3_create_htable(0, dev_hash_fn, dev_eq_fn);
119 mgr->net_table = v3_create_htable(0, dev_hash_fn, dev_eq_fn);
120 mgr->char_table = v3_create_htable(0, dev_hash_fn, dev_eq_fn);
121 mgr->cons_table = v3_create_htable(0, dev_hash_fn, dev_eq_fn);
129 int v3_free_vm_devices(struct v3_vm_info * vm) {
130 struct vmm_dev_mgr * mgr = &(vm->dev_mgr);
131 struct vm_device * dev;
132 struct vm_device * tmp;
134 if (mgr && mgr->num_devs > 0) {
135 list_for_each_entry_safe(dev, tmp, &(mgr->dev_list), dev_link) {
136 v3_remove_device(dev);
143 #ifdef V3_CONFIG_CHECKPOINT
145 int v3_save_vm_devices(struct v3_vm_info * vm, struct v3_chkpt * chkpt) {
146 struct vmm_dev_mgr * mgr = &(vm->dev_mgr);
147 struct vm_device * dev;
148 struct v3_chkpt_ctx * dev_mgr_ctx = NULL;
150 uint32_t num_saved_devs = 0;
151 uint32_t table_len = mgr->num_devs * V3_MAX_DEVICE_NAME;
152 char * name_table = NULL;
153 uint32_t tbl_offset = 0;
155 name_table = V3_Malloc(table_len);
158 PrintError(vm, VCORE_NONE, "Unable to allocate space in device manager save\n");
162 memset(name_table, 0, table_len);
164 dev_mgr_ctx = v3_chkpt_open_ctx(chkpt, "devices");
167 PrintError(vm, VCORE_NONE,"Unable to open device manager context\n");
172 list_for_each_entry(dev, &(mgr->dev_list), dev_link) {
173 if (dev->ops->save) {
174 strncpy(name_table + tbl_offset, dev->name, V3_MAX_DEVICE_NAME);
175 *(name_table + tbl_offset + V3_MAX_DEVICE_NAME - 1) = 0;
176 tbl_offset += V3_MAX_DEVICE_NAME;
179 PrintDebug(vm, VCORE_NONE, "Skipping device %s\n", dev->name);
183 if (v3_chkpt_save(dev_mgr_ctx, "num_devs", 4, &num_saved_devs) == -1) {
184 PrintError(vm, VCORE_NONE,"Unable to store num_devs\n");
185 v3_chkpt_close_ctx(dev_mgr_ctx);
190 if (v3_chkpt_save(dev_mgr_ctx, "names", num_saved_devs*V3_MAX_DEVICE_NAME, name_table) == -1) {
191 PrintError(vm, VCORE_NONE,"Unable to store names of devices\n");
192 v3_chkpt_close_ctx(dev_mgr_ctx);
197 v3_chkpt_close_ctx(dev_mgr_ctx);
201 list_for_each_entry(dev, &(mgr->dev_list), dev_link) {
203 if (dev->ops->save_extended) {
205 V3_Print(vm, VCORE_NONE,"Saving state for device (%s) using extended interface\n",dev->name);
207 if (dev->ops->save_extended(chkpt,dev->name,dev->private_data)) {
208 PrintError(vm, VCORE_NONE,"Unable to save device %s\n",dev->name);
212 } else if (dev->ops->save) {
214 struct v3_chkpt_ctx * dev_ctx = NULL;
216 V3_Print(vm, VCORE_NONE,"Saving state for device (%s)\n", dev->name);
218 dev_ctx = v3_chkpt_open_ctx(chkpt, dev->name);
221 PrintError(vm, VCORE_NONE,"Unable to open context for device %s\n",dev->name);
225 if (dev->ops->save(dev_ctx, dev->private_data)) {
226 PrintError(vm, VCORE_NONE,"Unable t save device %s\n",dev->name);
227 v3_chkpt_close_ctx(dev_ctx);
231 v3_chkpt_close_ctx(dev_ctx);
234 PrintError(vm, VCORE_NONE,"Error: %s save() not implemented\n", dev->name);
242 int v3_load_vm_devices(struct v3_vm_info * vm, struct v3_chkpt * chkpt) {
243 struct vm_device * dev;
244 struct v3_chkpt_ctx * dev_mgr_ctx = NULL;
245 uint32_t num_devs = 0;
246 char * name_table = NULL;
249 dev_mgr_ctx = v3_chkpt_open_ctx(chkpt, "devices");
252 PrintError(vm, VCORE_NONE,"Unable to open devices for load\n");
256 if (v3_chkpt_load(dev_mgr_ctx, "num_devs", 4, &num_devs) == -1) {
257 PrintError(vm, VCORE_NONE,"Unable to load num_devs\n");
258 v3_chkpt_close_ctx(dev_mgr_ctx);
262 V3_Print(vm, VCORE_NONE,"Loading State for %d devices\n", num_devs);
264 name_table = V3_Malloc(V3_MAX_DEVICE_NAME * num_devs);
267 PrintError(vm, VCORE_NONE,"Unable to allocate space for device table\n");
268 v3_chkpt_close_ctx(dev_mgr_ctx);
272 if (v3_chkpt_load(dev_mgr_ctx, "names", V3_MAX_DEVICE_NAME * num_devs, name_table) == -1) {
273 PrintError(vm, VCORE_NONE,"Unable to load device name table\n");
274 v3_chkpt_close_ctx(dev_mgr_ctx);
278 v3_chkpt_close_ctx(dev_mgr_ctx);
280 for (i = 0; i < num_devs; i++) {
281 char * name = &(name_table[i * V3_MAX_DEVICE_NAME]);
282 struct v3_chkpt_ctx * dev_ctx = NULL;
283 dev = v3_find_dev(vm, name);
286 PrintError(vm, VCORE_NONE,"Tried to load state into non existant device: %s\n", name);
290 if (dev->ops->load_extended) {
292 V3_Print(vm, VCORE_NONE,"Loading state for device (%s) using extended interface\n",name);
294 if (dev->ops->load_extended(chkpt,name,dev->private_data)) {
295 PrintError(vm, VCORE_NONE,"Load of device %s failed\n",name);
299 } else if (dev->ops->load) {
301 dev_ctx = v3_chkpt_open_ctx(chkpt, name);
304 PrintError(vm, VCORE_NONE,"Error missing device context (%s)\n", name);
308 if (dev->ops->load(dev_ctx, dev->private_data)) {
309 PrintError(vm, VCORE_NONE,"Load of device %s failed\n",name);
310 v3_chkpt_close_ctx(dev_ctx);
314 // should close context regardless of whether load was successful
315 v3_chkpt_close_ctx(dev_ctx);
318 PrintError(vm, VCORE_NONE,"Error Device (%s) does not support load operation\n", name);
331 static int free_frontends(struct v3_vm_info * vm, struct vmm_dev_mgr * mgr);
333 int v3_deinit_dev_mgr(struct v3_vm_info * vm) {
334 struct vmm_dev_mgr * mgr=0;
337 mgr = &(vm->dev_mgr);
345 // clear frontend lists
347 free_frontends(vm, mgr);
349 if (mgr->dev_table) {
350 v3_free_htable(mgr->dev_table, 0, 0);
359 int v3_create_device(struct v3_vm_info * vm, const char * dev_name, v3_cfg_tree_t * cfg) {
360 int (*dev_init)(struct v3_vm_info * vm, void * cfg_data);
362 dev_init = (void *)v3_htable_search(master_dev_table, (addr_t)dev_name);
364 if (dev_init == NULL) {
365 PrintError(vm, VCORE_NONE,"Could not find device %s in master device table\n", dev_name);
370 if (dev_init(vm, cfg) == -1) {
371 PrintError(vm, VCORE_NONE,"Could not initialize Device %s\n", dev_name);
381 struct vm_device * v3_find_dev(struct v3_vm_info * vm, const char * dev_name) {
382 struct vmm_dev_mgr * mgr = &(vm->dev_mgr);
388 return (struct vm_device *)v3_htable_search(mgr->dev_table, (addr_t)dev_name);
392 /****************************************************************/
393 /* The remaining functions are called by the devices themselves */
394 /****************************************************************/
396 typedef enum {DEV_IO_HOOK, DEV_MSR_HOOK, DEV_CPUID_HOOK, DEV_MEM_HOOK, DEV_HCALL_HOOK} dev_rsrc_type_t;
399 dev_rsrc_type_t type;
402 struct list_head node;
407 static int add_resource(struct vm_device * dev, dev_rsrc_type_t type, uint64_t rsrc_id) {
408 struct dev_rsrc * resource = NULL;
410 resource = V3_Malloc(sizeof(struct dev_rsrc));
412 if (resource == NULL) {
413 PrintError(VM_NONE, VCORE_NONE,"Error: Could not allocate device resource\n");
417 resource->rsrc = rsrc_id;
418 resource->type = type;
420 list_add(&(resource->node), &(dev->res_hooks));
424 static int free_resource(struct vm_device * dev, dev_rsrc_type_t type, uint64_t rsrc_id) {
425 struct dev_rsrc * resource = NULL;
426 struct dev_rsrc * tmp;
428 list_for_each_entry_safe(resource, tmp, &(dev->res_hooks), node) {
429 if ((resource->type == type) &&
430 (resource->rsrc == rsrc_id)) {
432 list_del(&(resource->node));
443 int v3_dev_hook_io(struct vm_device * dev, uint16_t port,
444 int (*read)(struct guest_info * core, uint16_t port, void * dst, uint_t length, void * priv_data),
445 int (*write)(struct guest_info * core, uint16_t port, void * src, uint_t length, void * priv_data)) {
448 ret = v3_hook_io_port(dev->vm, port,
449 (int (*)(struct guest_info * core, uint16_t, void *, uint_t, void *))read,
450 (int (*)(struct guest_info * core, uint16_t, void *, uint_t, void *))write,
451 (void *)dev->private_data);
457 if (add_resource(dev, DEV_IO_HOOK, port) == -1) {
458 v3_unhook_io_port(dev->vm, port);
459 PrintError(dev->vm, VCORE_NONE,"Could not allocate io hook dev state\n");
467 int v3_dev_unhook_io(struct vm_device * dev, uint16_t port) {
468 if (free_resource(dev, DEV_IO_HOOK, port) == 0) {
469 return v3_unhook_io_port(dev->vm, port);
476 int v3_dev_hook_msr(struct vm_device * dev, uint32_t msr,
477 int (*read)(struct guest_info * core, uint32_t msr, struct v3_msr * dst, void * priv_data),
478 int (*write)(struct guest_info * core, uint32_t msr, struct v3_msr src, void * priv_data)) {
481 ret = v3_hook_msr(dev->vm, msr, read, write, dev->private_data);
487 if (add_resource(dev, DEV_MSR_HOOK, msr) == -1) {
488 v3_unhook_msr(dev->vm, msr);
495 int v3_dev_unhook_msr(struct vm_device * dev, uint32_t msr) {
496 if (free_resource(dev, DEV_MSR_HOOK, msr) == 0) {
497 return v3_unhook_msr(dev->vm, msr);
506 int v3_remove_device(struct vm_device * dev) {
507 struct vmm_dev_mgr * mgr = &(dev->vm->dev_mgr);
508 struct dev_rsrc * resource = NULL;
509 struct dev_rsrc * tmp;
511 list_for_each_entry_safe(resource, tmp, &(dev->res_hooks), node) {
512 if (resource->type == DEV_IO_HOOK) {
513 v3_unhook_io_port(dev->vm, (uint16_t)(resource->rsrc));
514 } else if (resource->type == DEV_MSR_HOOK) {
515 v3_unhook_msr(dev->vm, (uint32_t)(resource->rsrc));
518 list_del(&(resource->node));
522 if (dev->ops->free) {
523 dev->ops->free(dev->private_data);
525 PrintError(VM_NONE, VCORE_NONE,"Error: %s free() not implemented\n", dev->name);
528 list_del(&(dev->dev_link));
538 struct vm_device * v3_add_device(struct v3_vm_info * vm,
540 struct v3_device_ops * ops,
541 void * private_data) {
542 struct vmm_dev_mgr * mgr = &(vm->dev_mgr);
543 struct vm_device * dev = NULL;
546 // Check if we already registered a device of the same name
547 if (v3_htable_search(mgr->dev_table, (addr_t)name) != (addr_t)NULL) {
548 PrintError(vm, VCORE_NONE,"Device with name (%s) already registered with VM\n", name);
552 dev = (struct vm_device *)V3_Malloc(sizeof(struct vm_device));
555 PrintError(vm, VCORE_NONE,"Cannot allocate in adding a device\n");
559 INIT_LIST_HEAD(&(dev->res_hooks));
561 strncpy(dev->name, name, 32);
564 dev->private_data = private_data;
568 list_add(&(dev->dev_link), &(mgr->dev_list));
571 v3_htable_insert(mgr->dev_table, (addr_t)(dev->name), (addr_t)dev);
577 void v3_print_dev_mgr(struct v3_vm_info * vm) {
578 struct vmm_dev_mgr * mgr = &(vm->dev_mgr);
579 struct vm_device * dev;
581 V3_Print(vm, VCORE_NONE,"%d devices registered with manager\n", mgr->num_devs);
583 list_for_each_entry(dev, &(mgr->dev_list), dev_link) {
584 V3_Print(vm, VCORE_NONE,"Device: %s\n", dev->name);
593 struct blk_frontend {
594 int (*connect)(struct v3_vm_info * vm,
595 void * frontend_data,
596 struct v3_dev_blk_ops * ops,
601 struct list_head blk_node;
608 int v3_dev_add_blk_frontend(struct v3_vm_info * vm,
610 int (*connect)(struct v3_vm_info * vm,
611 void * frontend_data,
612 struct v3_dev_blk_ops * ops,
617 struct blk_frontend * frontend = NULL;
619 frontend = (struct blk_frontend *)V3_Malloc(sizeof(struct blk_frontend));
622 PrintError(vm, VCORE_NONE,"Cannot allocate in adding a block front end\n");
626 memset(frontend, 0, sizeof(struct blk_frontend));
628 frontend->connect = connect;
629 frontend->priv_data = priv_data;
631 list_add(&(frontend->blk_node), &(vm->dev_mgr.blk_list));
632 v3_htable_insert(vm->dev_mgr.blk_table, (addr_t)(name), (addr_t)frontend);
637 int v3_dev_connect_blk(struct v3_vm_info * vm,
638 char * frontend_name,
639 struct v3_dev_blk_ops * ops,
641 void * private_data) {
643 struct blk_frontend * frontend = NULL;
645 frontend = (struct blk_frontend *)v3_htable_search(vm->dev_mgr.blk_table,
646 (addr_t)frontend_name);
648 if (frontend == NULL) {
649 PrintError(vm, VCORE_NONE,"Could not find frontend blk device %s\n", frontend_name);
653 if (frontend->connect(vm, frontend->priv_data, ops, cfg, private_data) == -1) {
654 PrintError(vm, VCORE_NONE,"Error connecting to block frontend %s\n", frontend_name);
663 struct net_frontend {
664 int (*connect)(struct v3_vm_info * vm,
665 void * frontend_data,
666 struct v3_dev_net_ops * ops,
671 struct list_head net_node;
677 int v3_dev_add_net_frontend(struct v3_vm_info * vm,
679 int (*connect)(struct v3_vm_info * vm,
680 void * frontend_data,
681 struct v3_dev_net_ops * ops,
683 void * private_data),
686 struct net_frontend * frontend = NULL;
688 frontend = (struct net_frontend *)V3_Malloc(sizeof(struct net_frontend));
691 PrintError(vm, VCORE_NONE,"Cannot allocate in adding a net front end\n");
695 memset(frontend, 0, sizeof(struct net_frontend));
697 frontend->connect = connect;
698 frontend->priv_data = priv_data;
700 list_add(&(frontend->net_node), &(vm->dev_mgr.net_list));
701 v3_htable_insert(vm->dev_mgr.net_table, (addr_t)(name), (addr_t)frontend);
707 int v3_dev_connect_net(struct v3_vm_info * vm,
708 char * frontend_name,
709 struct v3_dev_net_ops * ops,
713 struct net_frontend * frontend = NULL;
715 frontend = (struct net_frontend *)v3_htable_search(vm->dev_mgr.net_table,
716 (addr_t)frontend_name);
718 if (frontend == NULL) {
719 PrintError(vm, VCORE_NONE,"Could not find frontend net device %s\n", frontend_name);
723 if (frontend->connect(vm, frontend->priv_data, ops, cfg, private_data) == -1) {
724 PrintError(vm, VCORE_NONE,"Error connecting to net frontend %s\n", frontend_name);
732 struct cons_frontend {
733 int (*connect)(struct v3_vm_info * vm,
734 void * frontend_data,
735 struct v3_dev_console_ops * ops,
740 struct list_head cons_node;
745 int v3_dev_add_console_frontend(struct v3_vm_info * vm,
747 int (*connect)(struct v3_vm_info * vm,
748 void * frontend_data,
749 struct v3_dev_console_ops * ops,
751 void * private_data),
754 struct cons_frontend * frontend = NULL;
756 frontend = (struct cons_frontend *)V3_Malloc(sizeof(struct cons_frontend));
759 PrintError(vm, VCORE_NONE,"Cannot allocate in adding a console front end\n");
763 memset(frontend, 0, sizeof(struct cons_frontend));
765 frontend->connect = connect;
766 frontend->priv_data = priv_data;
768 list_add(&(frontend->cons_node), &(vm->dev_mgr.cons_list));
769 v3_htable_insert(vm->dev_mgr.cons_table, (addr_t)(name), (addr_t)frontend);
775 int v3_dev_connect_console(struct v3_vm_info * vm,
776 char * frontend_name,
777 struct v3_dev_console_ops * ops,
781 struct cons_frontend * frontend = NULL;
783 frontend = (struct cons_frontend *)v3_htable_search(vm->dev_mgr.cons_table,
784 (addr_t)frontend_name);
786 if (frontend == NULL) {
787 PrintError(vm, VCORE_NONE,"Could not find frontend console device %s\n", frontend_name);
791 if (frontend->connect(vm, frontend->priv_data, ops, cfg, private_data) == -1) {
792 PrintError(vm, VCORE_NONE,"Error connecting to console frontend %s\n", frontend_name);
799 struct char_frontend {
800 int (*connect)(struct v3_vm_info * vm,
801 void * frontend_data,
802 struct v3_dev_char_ops * ops,
805 void ** push_fn_arg);
808 struct list_head char_node;
813 int v3_dev_add_char_frontend(struct v3_vm_info * vm,
815 int (*connect)(struct v3_vm_info * vm,
816 void * frontend_data,
817 struct v3_dev_char_ops * ops,
820 void ** push_fn_arg),
823 struct char_frontend * frontend = NULL;
825 frontend = (struct char_frontend *)V3_Malloc(sizeof(struct char_frontend));
828 PrintError(vm, VCORE_NONE,"Cannot allocate in adding a char front end\n");
832 memset(frontend, 0, sizeof(struct char_frontend));
834 frontend->connect = connect;
835 frontend->priv_data = priv_data;
837 list_add(&(frontend->char_node), &(vm->dev_mgr.char_list));
838 v3_htable_insert(vm->dev_mgr.char_table, (addr_t)(name), (addr_t)frontend);
844 int v3_dev_connect_char(struct v3_vm_info * vm,
845 char * frontend_name,
846 struct v3_dev_char_ops * ops,
851 struct char_frontend * frontend = NULL;
853 frontend = (struct char_frontend *)v3_htable_search(vm->dev_mgr.char_table,
854 (addr_t)frontend_name);
856 if (frontend == NULL) {
857 PrintError(vm, VCORE_NONE,"Could not find frontend char device %s\n", frontend_name);
861 if (frontend->connect(vm, frontend->priv_data, ops, cfg, private_data, push_fn_arg) == -1) {
862 PrintError(vm, VCORE_NONE,"Error connecting to char frontend %s\n", frontend_name);
871 static int free_frontends(struct v3_vm_info * vm, struct vmm_dev_mgr * mgr) {
872 struct char_frontend * chr = NULL;
873 struct char_frontend * tmp_chr = NULL;
874 struct cons_frontend * cons = NULL;
875 struct cons_frontend * tmp_cons = NULL;
876 struct net_frontend * net = NULL;
877 struct net_frontend * tmp_net = NULL;
878 struct blk_frontend * blk = NULL;
879 struct blk_frontend * tmp_blk = NULL;
883 list_for_each_entry_safe(chr, tmp_chr, &(mgr->char_list), char_node) {
884 list_del(&(chr->char_node));
888 list_for_each_entry_safe(cons, tmp_cons, &(mgr->cons_list), cons_node) {
889 list_del(&(cons->cons_node));
893 list_for_each_entry_safe(net, tmp_net, &(mgr->net_list), net_node) {
894 list_del(&(net->net_node));
898 list_for_each_entry_safe(blk, tmp_blk, &(mgr->blk_list), blk_node) {
899 list_del(&(blk->blk_node));
903 v3_free_htable(mgr->blk_table, 0, 0);
904 v3_free_htable(mgr->net_table, 0, 0);
905 v3_free_htable(mgr->char_table, 0, 0);
906 v3_free_htable(mgr->cons_table, 0, 0);
912 int v3_attach_device(struct v3_vm_info * vm, struct vm_device * dev)
914 PrintError(vm, VCORE_NONE, "v3_attach_device is deprecated and no longer works\n");
918 int v3_detach_device(struct vm_device * dev)
920 PrintError(VM_NONE, VCORE_NONE, "v3_detach_device is deprecated and no longer works\n");
924 struct vm_device * v3_allocate_device(char * name, struct v3_device_ops * ops, void * private_data)
926 PrintError(VM_NONE, VCORE_NONE, "v3_allocate_device is deprecated and no longer works\n");