1 /* (c) 2008, Jack Lange <jarusl@cs.northwestern.edu> */
2 /* (c) 2008, The V3VEE Project <http://www.v3vee.org> */
5 #include <palacios/vm_dev.h>
6 #include <palacios/vmm_dev_mgr.h>
7 #include <palacios/vm_guest.h>
8 #include <palacios/vmm.h>
9 #include <palacios/vmm_decoder.h>
17 int dev_mgr_init(struct guest_info * info) {
18 struct vmm_dev_mgr * mgr = &(info->dev_mgr);
19 INIT_LIST_HEAD(&(mgr->dev_list));
22 INIT_LIST_HEAD(&(mgr->io_hooks));
23 mgr->num_io_hooks = 0;
29 int dev_mgr_deinit(struct guest_info * info) {
30 struct vm_device * dev;
31 struct vmm_dev_mgr * mgr = &(info->dev_mgr);
33 list_for_each_entry(dev, &(mgr->dev_list), dev_link) {
34 v3_unattach_device(dev);
44 static int dev_mgr_add_device(struct vmm_dev_mgr * mgr, struct vm_device * dev) {
45 list_add(&(dev->dev_link), &(mgr->dev_list));
51 static int dev_mgr_remove_device(struct vmm_dev_mgr * mgr, struct vm_device * dev) {
52 list_del(&(dev->dev_link));
61 int dev_mgr_add_io_hook(struct vmm_dev_mgr * mgr, struct dev_io_hook * hook) {
62 list_add(&(hook->mgr_list), &(mgr->io_hooks));
68 int dev_mgr_remove_io_hook(struct vmm_dev_mgr * mgr, struct dev_io_hook * hook) {
69 list_del(&(hook->mgr_list));
76 int dev_add_io_hook(struct vm_device * dev, struct dev_io_hook * hook) {
77 list_add(&(hook->dev_list), &(dev->io_hooks));
83 int dev_remove_io_hook(struct vm_device * dev, struct dev_io_hook * hook) {
84 list_del(&(hook->dev_list));
94 struct dev_io_hook * dev_mgr_find_io_hook(struct vmm_dev_mgr * mgr, ushort_t port) {
95 struct dev_io_hook * tmp;
97 list_for_each_entry(tmp, &(mgr->io_hooks), mgr_list) {
98 if (tmp->port == port) {
105 struct dev_io_hook * dev_find_io_hook(struct vm_device * dev, ushort_t port) {
106 struct dev_io_hook * tmp;
108 list_for_each_entry(tmp, &(dev->io_hooks), dev_list) {
109 if (tmp->port == port) {
119 int dev_hook_io(struct vm_device *dev,
121 int (*read)(ushort_t port, void * dst, uint_t length, struct vm_device * dev),
122 int (*write)(ushort_t port, void * src, uint_t length, struct vm_device * dev)) {
124 struct dev_io_hook *hook = (struct dev_io_hook *)V3_Malloc(sizeof(struct dev_io_hook));
131 if (v3_hook_io_port(dev->vm, port,
132 (int (*)(ushort_t, void *, uint_t, void *))read,
133 (int (*)(ushort_t, void *, uint_t, void *))write,
141 dev_mgr_add_io_hook(&(dev->vm->dev_mgr), hook);
142 dev_add_io_hook(dev, hook);
152 int dev_unhook_io(struct vm_device *dev,
155 struct vmm_dev_mgr * mgr = &(dev->vm->dev_mgr);
156 struct dev_io_hook * hook = dev_mgr_find_io_hook(mgr, port);
162 dev_mgr_remove_io_hook(mgr, hook);
163 dev_remove_io_hook(dev, hook);
165 return v3_unhook_io_port(dev->vm, port);
169 int v3_attach_device(struct guest_info * vm, struct vm_device * dev) {
170 struct vmm_dev_mgr *mgr= &(vm->dev_mgr);
173 dev_mgr_add_device(mgr, dev);
179 int v3_unattach_device(struct vm_device * dev) {
180 struct vmm_dev_mgr * mgr = &(dev->vm->dev_mgr);
182 dev->ops->deinit(dev);
183 dev_mgr_remove_device(mgr, dev);
193 int dev_mgr_hook_mem(struct guest_info *vm,
194 struct vm_device *device,
199 struct dev_mem_hook * hook = (struct dev_mem_hook*)V3_Malloc(sizeof(struct dev_mem_hook));
200 // V3_Malloc(struct dev_mem_hook *, hook,sizeof(struct dev_mem_hook));
206 /* not implemented yet
207 hook_memory(vm->mem_map,
208 guest_physical_address_start,
209 guest_physical_address_end,
216 return -1; // remove when hook_memory works
219 hook->addr_start = start;
220 hook->addr_end = end;
227 int dev_mgr_unhook_mem(struct vm_device *dev,
231 struct vmm_dev_mgr * mgr = &(dev->vm->dev_mgr);
232 struct dev_mem_hook *hook = dev_mgr_find_mem_hook(mgr, start, end);
235 // Very bad - unhooking something that doesn't exist!
240 /* not implemented yet
241 return unhook_mem_port(vm->mem_map,
242 guest_physical_start,
243 guest_physical_end) ;
252 void PrintDebugDevMgr(struct guest_info * info) {
253 struct vmm_dev_mgr * mgr = &(info->dev_mgr);
254 struct vm_device * dev;
255 PrintDebug("%d devices registered with manager\n", mgr->num_devs);
257 list_for_each_entry(dev, &(mgr->dev_list), dev_link) {
259 PrintDebug("next..\n");
266 void PrintDebugDev(struct vm_device * dev) {
268 PrintDebug("Device: %s\n", dev->name);
269 PrintDebugDevIO(dev);
272 void PrintDebugDevMgrIO(struct vmm_dev_mgr * mgr) {
276 void PrintDebugDevIO(struct vm_device * dev) {
277 struct dev_io_hook * hook;
279 PrintDebug("IO Hooks(%d) for Device: %s\n", dev->num_io_hooks, dev->name);
281 list_for_each_entry(hook, &(dev->io_hooks), dev_list) {
282 PrintDebug("\tPort: 0x%x (read=0x%x), (write=0x%x)\n", hook->port, hook->read, hook->write);