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);
127 int v3_free_vm_devices(struct v3_vm_info * vm) {
128 struct vmm_dev_mgr * mgr = &(vm->dev_mgr);
129 struct vm_device * dev;
130 struct vm_device * tmp;
132 if (mgr && mgr->num_devs > 0) {
133 list_for_each_entry_safe(dev, tmp, &(mgr->dev_list), dev_link) {
134 v3_remove_device(dev);
141 #ifdef V3_CONFIG_CHECKPOINT
143 int v3_save_vm_devices(struct v3_vm_info * vm, struct v3_chkpt * chkpt) {
144 struct vmm_dev_mgr * mgr = &(vm->dev_mgr);
145 struct vm_device * dev;
146 struct v3_chkpt_ctx * dev_mgr_ctx = NULL;
148 uint32_t num_saved_devs = 0;
149 uint32_t table_len = mgr->num_devs * V3_MAX_DEVICE_NAME;
150 char * name_table = NULL;
151 uint32_t tbl_offset = 0;
153 name_table = V3_Malloc(table_len);
156 PrintError(vm, VCORE_NONE, "Unable to allocate space in device manager save\n");
160 memset(name_table, 0, table_len);
162 dev_mgr_ctx = v3_chkpt_open_ctx(chkpt, "devices");
165 PrintError(vm, VCORE_NONE,"Unable to open device manager context\n");
170 list_for_each_entry(dev, &(mgr->dev_list), dev_link) {
171 if (dev->ops->save) {
172 strncpy(name_table + tbl_offset, dev->name, V3_MAX_DEVICE_NAME);
173 tbl_offset += V3_MAX_DEVICE_NAME;
176 PrintDebug(vm, VCORE_NONE, "Skipping device %s\n", dev->name);
180 if (v3_chkpt_save(dev_mgr_ctx, "num_devs", 4, &num_saved_devs) == -1) {
181 PrintError(vm, VCORE_NONE,"Unable to store num_devs\n");
182 v3_chkpt_close_ctx(dev_mgr_ctx);
187 if (v3_chkpt_save(dev_mgr_ctx, "names", num_saved_devs*V3_MAX_DEVICE_NAME, name_table) == -1) {
188 PrintError(vm, VCORE_NONE,"Unable to store names of devices\n");
189 v3_chkpt_close_ctx(dev_mgr_ctx);
194 v3_chkpt_close_ctx(dev_mgr_ctx);
198 list_for_each_entry(dev, &(mgr->dev_list), dev_link) {
200 if (dev->ops->save_extended) {
202 V3_Print(vm, VCORE_NONE,"Saving state for device (%s) using extended interface\n",dev->name);
204 if (dev->ops->save_extended(chkpt,dev->name,dev->private_data)) {
205 PrintError(vm, VCORE_NONE,"Unable to save device %s\n",dev->name);
209 } else if (dev->ops->save) {
211 struct v3_chkpt_ctx * dev_ctx = NULL;
213 V3_Print(vm, VCORE_NONE,"Saving state for device (%s)\n", dev->name);
215 dev_ctx = v3_chkpt_open_ctx(chkpt, dev->name);
218 PrintError(vm, VCORE_NONE,"Unable to open context for device %s\n",dev->name);
222 if (dev->ops->save(dev_ctx, dev->private_data)) {
223 PrintError(vm, VCORE_NONE,"Unable t save device %s\n",dev->name);
224 v3_chkpt_close_ctx(dev_ctx);
228 v3_chkpt_close_ctx(dev_ctx);
231 PrintError(vm, VCORE_NONE,"Error: %s save() not implemented\n", dev->name);
239 int v3_load_vm_devices(struct v3_vm_info * vm, struct v3_chkpt * chkpt) {
240 struct vm_device * dev;
241 struct v3_chkpt_ctx * dev_mgr_ctx = NULL;
242 uint32_t num_devs = 0;
243 char * name_table = NULL;
246 dev_mgr_ctx = v3_chkpt_open_ctx(chkpt, "devices");
249 PrintError(vm, VCORE_NONE,"Unable to open devices for load\n");
253 if (v3_chkpt_load(dev_mgr_ctx, "num_devs", 4, &num_devs) == -1) {
254 PrintError(vm, VCORE_NONE,"Unable to load num_devs\n");
255 v3_chkpt_close_ctx(dev_mgr_ctx);
259 V3_Print(vm, VCORE_NONE,"Loading State for %d devices\n", num_devs);
261 name_table = V3_Malloc(V3_MAX_DEVICE_NAME * num_devs);
264 PrintError(vm, VCORE_NONE,"Unable to allocate space for device table\n");
265 v3_chkpt_close_ctx(dev_mgr_ctx);
269 if (v3_chkpt_load(dev_mgr_ctx, "names", V3_MAX_DEVICE_NAME * num_devs, name_table) == -1) {
270 PrintError(vm, VCORE_NONE,"Unable to load device name table\n");
271 v3_chkpt_close_ctx(dev_mgr_ctx);
275 v3_chkpt_close_ctx(dev_mgr_ctx);
277 for (i = 0; i < num_devs; i++) {
278 char * name = &(name_table[i * V3_MAX_DEVICE_NAME]);
279 struct v3_chkpt_ctx * dev_ctx = NULL;
280 dev = v3_find_dev(vm, name);
283 PrintError(vm, VCORE_NONE,"Tried to load state into non existant device: %s\n", name);
287 if (dev->ops->load_extended) {
289 V3_Print(vm, VCORE_NONE,"Loading state for device (%s) using extended interface\n",name);
291 if (dev->ops->load_extended(chkpt,name,dev->private_data)) {
292 PrintError(vm, VCORE_NONE,"Load of device %s failed\n",name);
296 } else if (dev->ops->load) {
298 dev_ctx = v3_chkpt_open_ctx(chkpt, name);
301 PrintError(vm, VCORE_NONE,"Error missing device context (%s)\n", name);
305 if (dev->ops->load(dev_ctx, dev->private_data)) {
306 PrintError(vm, VCORE_NONE,"Load of device %s failed\n",name);
307 v3_chkpt_close_ctx(dev_ctx);
311 // should close context regardless of whether load was successful
312 v3_chkpt_close_ctx(dev_ctx);
315 PrintError(vm, VCORE_NONE,"Error Device (%s) does not support load operation\n", name);
328 static int free_frontends(struct v3_vm_info * vm, struct vmm_dev_mgr * mgr);
330 int v3_deinit_dev_mgr(struct v3_vm_info * vm) {
331 struct vmm_dev_mgr * mgr = &(vm->dev_mgr);
333 // clear frontend lists
335 free_frontends(vm, mgr);
337 if (mgr->dev_table) {
338 v3_free_htable(mgr->dev_table, 0, 0);
347 int v3_create_device(struct v3_vm_info * vm, const char * dev_name, v3_cfg_tree_t * cfg) {
348 int (*dev_init)(struct v3_vm_info * vm, void * cfg_data);
350 dev_init = (void *)v3_htable_search(master_dev_table, (addr_t)dev_name);
352 if (dev_init == NULL) {
353 PrintError(vm, VCORE_NONE,"Could not find device %s in master device table\n", dev_name);
358 if (dev_init(vm, cfg) == -1) {
359 PrintError(vm, VCORE_NONE,"Could not initialize Device %s\n", dev_name);
369 struct vm_device * v3_find_dev(struct v3_vm_info * vm, const char * dev_name) {
370 struct vmm_dev_mgr * mgr = &(vm->dev_mgr);
376 return (struct vm_device *)v3_htable_search(mgr->dev_table, (addr_t)dev_name);
380 /****************************************************************/
381 /* The remaining functions are called by the devices themselves */
382 /****************************************************************/
384 typedef enum {DEV_IO_HOOK, DEV_MSR_HOOK, DEV_CPUID_HOOK, DEV_MEM_HOOK, DEV_HCALL_HOOK} dev_rsrc_type_t;
387 dev_rsrc_type_t type;
390 struct list_head node;
395 static int add_resource(struct vm_device * dev, dev_rsrc_type_t type, uint64_t rsrc_id) {
396 struct dev_rsrc * resource = NULL;
398 resource = V3_Malloc(sizeof(struct dev_rsrc));
400 if (resource == NULL) {
401 PrintError(VM_NONE, VCORE_NONE,"Error: Could not allocate device resource\n");
405 resource->rsrc = rsrc_id;
406 resource->type = type;
408 list_add(&(resource->node), &(dev->res_hooks));
412 static int free_resource(struct vm_device * dev, dev_rsrc_type_t type, uint64_t rsrc_id) {
413 struct dev_rsrc * resource = NULL;
414 struct dev_rsrc * tmp;
416 list_for_each_entry_safe(resource, tmp, &(dev->res_hooks), node) {
417 if ((resource->type == type) &&
418 (resource->rsrc == rsrc_id)) {
420 list_del(&(resource->node));
431 int v3_dev_hook_io(struct vm_device * dev, uint16_t port,
432 int (*read)(struct guest_info * core, uint16_t port, void * dst, uint_t length, void * priv_data),
433 int (*write)(struct guest_info * core, uint16_t port, void * src, uint_t length, void * priv_data)) {
436 ret = v3_hook_io_port(dev->vm, port,
437 (int (*)(struct guest_info * core, uint16_t, void *, uint_t, void *))read,
438 (int (*)(struct guest_info * core, uint16_t, void *, uint_t, void *))write,
439 (void *)dev->private_data);
445 if (add_resource(dev, DEV_IO_HOOK, port) == -1) {
446 v3_unhook_io_port(dev->vm, port);
447 PrintError(dev->vm, VCORE_NONE,"Could not allocate io hook dev state\n");
455 int v3_dev_unhook_io(struct vm_device * dev, uint16_t port) {
456 if (free_resource(dev, DEV_IO_HOOK, port) == 0) {
457 return v3_unhook_io_port(dev->vm, port);
464 int v3_dev_hook_msr(struct vm_device * dev, uint32_t msr,
465 int (*read)(struct guest_info * core, uint32_t msr, struct v3_msr * dst, void * priv_data),
466 int (*write)(struct guest_info * core, uint32_t msr, struct v3_msr src, void * priv_data)) {
469 ret = v3_hook_msr(dev->vm, msr, read, write, dev->private_data);
475 if (add_resource(dev, DEV_MSR_HOOK, msr) == -1) {
476 v3_unhook_msr(dev->vm, msr);
483 int v3_dev_unhook_msr(struct vm_device * dev, uint32_t msr) {
484 if (free_resource(dev, DEV_MSR_HOOK, msr) == 0) {
485 return v3_unhook_msr(dev->vm, msr);
494 int v3_remove_device(struct vm_device * dev) {
495 struct vmm_dev_mgr * mgr = &(dev->vm->dev_mgr);
496 struct dev_rsrc * resource = NULL;
497 struct dev_rsrc * tmp;
499 list_for_each_entry_safe(resource, tmp, &(dev->res_hooks), node) {
500 if (resource->type == DEV_IO_HOOK) {
501 v3_unhook_io_port(dev->vm, (uint16_t)(resource->rsrc));
502 } else if (resource->type == DEV_MSR_HOOK) {
503 v3_unhook_msr(dev->vm, (uint32_t)(resource->rsrc));
506 list_del(&(resource->node));
510 if (dev->ops->free) {
511 dev->ops->free(dev->private_data);
513 PrintError(VM_NONE, VCORE_NONE,"Error: %s free() not implemented\n", dev->name);
516 list_del(&(dev->dev_link));
526 struct vm_device * v3_add_device(struct v3_vm_info * vm,
528 struct v3_device_ops * ops,
529 void * private_data) {
530 struct vmm_dev_mgr * mgr = &(vm->dev_mgr);
531 struct vm_device * dev = NULL;
534 // Check if we already registered a device of the same name
535 if (v3_htable_search(mgr->dev_table, (addr_t)name) != (addr_t)NULL) {
536 PrintError(vm, VCORE_NONE,"Device with name (%s) already registered with VM\n", name);
540 dev = (struct vm_device *)V3_Malloc(sizeof(struct vm_device));
543 PrintError(vm, VCORE_NONE,"Cannot allocate in adding a device\n");
547 INIT_LIST_HEAD(&(dev->res_hooks));
549 strncpy(dev->name, name, 32);
551 dev->private_data = private_data;
555 list_add(&(dev->dev_link), &(mgr->dev_list));
558 v3_htable_insert(mgr->dev_table, (addr_t)(dev->name), (addr_t)dev);
564 void v3_print_dev_mgr(struct v3_vm_info * vm) {
565 struct vmm_dev_mgr * mgr = &(vm->dev_mgr);
566 struct vm_device * dev;
568 V3_Print(vm, VCORE_NONE,"%d devices registered with manager\n", mgr->num_devs);
570 list_for_each_entry(dev, &(mgr->dev_list), dev_link) {
571 V3_Print(vm, VCORE_NONE,"Device: %s\n", dev->name);
580 struct blk_frontend {
581 int (*connect)(struct v3_vm_info * vm,
582 void * frontend_data,
583 struct v3_dev_blk_ops * ops,
588 struct list_head blk_node;
595 int v3_dev_add_blk_frontend(struct v3_vm_info * vm,
597 int (*connect)(struct v3_vm_info * vm,
598 void * frontend_data,
599 struct v3_dev_blk_ops * ops,
604 struct blk_frontend * frontend = NULL;
606 frontend = (struct blk_frontend *)V3_Malloc(sizeof(struct blk_frontend));
609 PrintError(vm, VCORE_NONE,"Cannot allocate in adding a block front end\n");
613 memset(frontend, 0, sizeof(struct blk_frontend));
615 frontend->connect = connect;
616 frontend->priv_data = priv_data;
618 list_add(&(frontend->blk_node), &(vm->dev_mgr.blk_list));
619 v3_htable_insert(vm->dev_mgr.blk_table, (addr_t)(name), (addr_t)frontend);
624 int v3_dev_connect_blk(struct v3_vm_info * vm,
625 char * frontend_name,
626 struct v3_dev_blk_ops * ops,
628 void * private_data) {
630 struct blk_frontend * frontend = NULL;
632 frontend = (struct blk_frontend *)v3_htable_search(vm->dev_mgr.blk_table,
633 (addr_t)frontend_name);
635 if (frontend == NULL) {
636 PrintError(vm, VCORE_NONE,"Could not find frontend blk device %s\n", frontend_name);
640 if (frontend->connect(vm, frontend->priv_data, ops, cfg, private_data) == -1) {
641 PrintError(vm, VCORE_NONE,"Error connecting to block frontend %s\n", frontend_name);
650 struct net_frontend {
651 int (*connect)(struct v3_vm_info * vm,
652 void * frontend_data,
653 struct v3_dev_net_ops * ops,
658 struct list_head net_node;
664 int v3_dev_add_net_frontend(struct v3_vm_info * vm,
666 int (*connect)(struct v3_vm_info * vm,
667 void * frontend_data,
668 struct v3_dev_net_ops * ops,
670 void * private_data),
673 struct net_frontend * frontend = NULL;
675 frontend = (struct net_frontend *)V3_Malloc(sizeof(struct net_frontend));
678 PrintError(vm, VCORE_NONE,"Cannot allocate in adding a net front end\n");
682 memset(frontend, 0, sizeof(struct net_frontend));
684 frontend->connect = connect;
685 frontend->priv_data = priv_data;
687 list_add(&(frontend->net_node), &(vm->dev_mgr.net_list));
688 v3_htable_insert(vm->dev_mgr.net_table, (addr_t)(name), (addr_t)frontend);
694 int v3_dev_connect_net(struct v3_vm_info * vm,
695 char * frontend_name,
696 struct v3_dev_net_ops * ops,
700 struct net_frontend * frontend = NULL;
702 frontend = (struct net_frontend *)v3_htable_search(vm->dev_mgr.net_table,
703 (addr_t)frontend_name);
705 if (frontend == NULL) {
706 PrintError(vm, VCORE_NONE,"Could not find frontend net device %s\n", frontend_name);
710 if (frontend->connect(vm, frontend->priv_data, ops, cfg, private_data) == -1) {
711 PrintError(vm, VCORE_NONE,"Error connecting to net frontend %s\n", frontend_name);
719 struct cons_frontend {
720 int (*connect)(struct v3_vm_info * vm,
721 void * frontend_data,
722 struct v3_dev_console_ops * ops,
727 struct list_head cons_node;
732 int v3_dev_add_console_frontend(struct v3_vm_info * vm,
734 int (*connect)(struct v3_vm_info * vm,
735 void * frontend_data,
736 struct v3_dev_console_ops * ops,
738 void * private_data),
741 struct cons_frontend * frontend = NULL;
743 frontend = (struct cons_frontend *)V3_Malloc(sizeof(struct cons_frontend));
746 PrintError(vm, VCORE_NONE,"Cannot allocate in adding a console front end\n");
750 memset(frontend, 0, sizeof(struct cons_frontend));
752 frontend->connect = connect;
753 frontend->priv_data = priv_data;
755 list_add(&(frontend->cons_node), &(vm->dev_mgr.cons_list));
756 v3_htable_insert(vm->dev_mgr.cons_table, (addr_t)(name), (addr_t)frontend);
762 int v3_dev_connect_console(struct v3_vm_info * vm,
763 char * frontend_name,
764 struct v3_dev_console_ops * ops,
768 struct cons_frontend * frontend = NULL;
770 frontend = (struct cons_frontend *)v3_htable_search(vm->dev_mgr.cons_table,
771 (addr_t)frontend_name);
773 if (frontend == NULL) {
774 PrintError(vm, VCORE_NONE,"Could not find frontend console device %s\n", frontend_name);
778 if (frontend->connect(vm, frontend->priv_data, ops, cfg, private_data) == -1) {
779 PrintError(vm, VCORE_NONE,"Error connecting to console frontend %s\n", frontend_name);
786 struct char_frontend {
787 int (*connect)(struct v3_vm_info * vm,
788 void * frontend_data,
789 struct v3_dev_char_ops * ops,
792 void ** push_fn_arg);
795 struct list_head char_node;
800 int v3_dev_add_char_frontend(struct v3_vm_info * vm,
802 int (*connect)(struct v3_vm_info * vm,
803 void * frontend_data,
804 struct v3_dev_char_ops * ops,
807 void ** push_fn_arg),
810 struct char_frontend * frontend = NULL;
812 frontend = (struct char_frontend *)V3_Malloc(sizeof(struct char_frontend));
815 PrintError(vm, VCORE_NONE,"Cannot allocate in adding a char front end\n");
819 memset(frontend, 0, sizeof(struct char_frontend));
821 frontend->connect = connect;
822 frontend->priv_data = priv_data;
824 list_add(&(frontend->char_node), &(vm->dev_mgr.char_list));
825 v3_htable_insert(vm->dev_mgr.char_table, (addr_t)(name), (addr_t)frontend);
831 int v3_dev_connect_char(struct v3_vm_info * vm,
832 char * frontend_name,
833 struct v3_dev_char_ops * ops,
838 struct char_frontend * frontend = NULL;
840 frontend = (struct char_frontend *)v3_htable_search(vm->dev_mgr.char_table,
841 (addr_t)frontend_name);
843 if (frontend == NULL) {
844 PrintError(vm, VCORE_NONE,"Could not find frontend char device %s\n", frontend_name);
848 if (frontend->connect(vm, frontend->priv_data, ops, cfg, private_data, push_fn_arg) == -1) {
849 PrintError(vm, VCORE_NONE,"Error connecting to char frontend %s\n", frontend_name);
858 static int free_frontends(struct v3_vm_info * vm, struct vmm_dev_mgr * mgr) {
859 struct char_frontend * chr = NULL;
860 struct char_frontend * tmp_chr = NULL;
861 struct cons_frontend * cons = NULL;
862 struct cons_frontend * tmp_cons = NULL;
863 struct net_frontend * net = NULL;
864 struct net_frontend * tmp_net = NULL;
865 struct blk_frontend * blk = NULL;
866 struct blk_frontend * tmp_blk = NULL;
870 list_for_each_entry_safe(chr, tmp_chr, &(mgr->char_list), char_node) {
871 list_del(&(chr->char_node));
875 list_for_each_entry_safe(cons, tmp_cons, &(mgr->cons_list), cons_node) {
876 list_del(&(cons->cons_node));
880 list_for_each_entry_safe(net, tmp_net, &(mgr->net_list), net_node) {
881 list_del(&(net->net_node));
885 list_for_each_entry_safe(blk, tmp_blk, &(mgr->blk_list), blk_node) {
886 list_del(&(blk->blk_node));
890 v3_free_htable(mgr->blk_table, 0, 0);
891 v3_free_htable(mgr->net_table, 0, 0);
892 v3_free_htable(mgr->char_table, 0, 0);
893 v3_free_htable(mgr->cons_table, 0, 0);
899 int v3_attach_device(struct v3_vm_info * vm, struct vm_device * dev)
901 PrintError(vm, VCORE_NONE, "v3_attach_device is deprecated and no longer works\n");
905 int v3_detach_device(struct vm_device * dev)
907 PrintError(VM_NONE, VCORE_NONE, "v3_detach_device is deprecated and no longer works\n");
911 struct vm_device * v3_allocate_device(char * name, struct v3_device_ops * ops, void * private_data)
913 PrintError(VM_NONE, VCORE_NONE, "v3_allocate_device is deprecated and no longer works\n");