1 #include <palacios/vm_dev.h>
2 #include <palacios/vmm_dev_mgr.h>
3 #include <palacios/vm_guest.h>
4 #include <palacios/vmm.h>
5 #include <palacios/vmm_decoder.h>
13 int dev_mgr_init(struct guest_info * info) {
14 struct vmm_dev_mgr * mgr = &(info->dev_mgr);
15 INIT_LIST_HEAD(&(mgr->dev_list));
18 INIT_LIST_HEAD(&(mgr->io_hooks));
19 mgr->num_io_hooks = 0;
25 int dev_mgr_deinit(struct guest_info * info) {
26 struct vm_device * dev;
27 struct vmm_dev_mgr * mgr = &(info->dev_mgr);
29 list_for_each_entry(dev, &(mgr->dev_list), dev_link) {
30 v3_unattach_device(dev);
40 static int dev_mgr_add_device(struct vmm_dev_mgr * mgr, struct vm_device * dev) {
41 list_add(&(dev->dev_link), &(mgr->dev_list));
47 static int dev_mgr_remove_device(struct vmm_dev_mgr * mgr, struct vm_device * dev) {
48 list_del(&(dev->dev_link));
57 int dev_mgr_add_io_hook(struct vmm_dev_mgr * mgr, struct dev_io_hook * hook) {
58 list_add(&(hook->mgr_list), &(mgr->io_hooks));
64 int dev_mgr_remove_io_hook(struct vmm_dev_mgr * mgr, struct dev_io_hook * hook) {
65 list_del(&(hook->mgr_list));
72 int dev_add_io_hook(struct vm_device * dev, struct dev_io_hook * hook) {
73 list_add(&(hook->dev_list), &(dev->io_hooks));
79 int dev_remove_io_hook(struct vm_device * dev, struct dev_io_hook * hook) {
80 list_del(&(hook->dev_list));
90 struct dev_io_hook * dev_mgr_find_io_hook(struct vmm_dev_mgr * mgr, ushort_t port) {
91 struct dev_io_hook * tmp;
93 list_for_each_entry(tmp, &(mgr->io_hooks), mgr_list) {
94 if (tmp->port == port) {
101 struct dev_io_hook * dev_find_io_hook(struct vm_device * dev, ushort_t port) {
102 struct dev_io_hook * tmp;
104 list_for_each_entry(tmp, &(dev->io_hooks), dev_list) {
105 if (tmp->port == port) {
115 int dev_hook_io(struct vm_device *dev,
117 int (*read)(ushort_t port, void * dst, uint_t length, struct vm_device * dev),
118 int (*write)(ushort_t port, void * src, uint_t length, struct vm_device * dev)) {
120 struct dev_io_hook *hook = (struct dev_io_hook *)V3_Malloc(sizeof(struct dev_io_hook));
127 if (v3_hook_io_port(dev->vm, port,
128 (int (*)(ushort_t, void *, uint_t, void *))read,
129 (int (*)(ushort_t, void *, uint_t, void *))write,
137 dev_mgr_add_io_hook(&(dev->vm->dev_mgr), hook);
138 dev_add_io_hook(dev, hook);
148 int dev_unhook_io(struct vm_device *dev,
151 struct vmm_dev_mgr * mgr = &(dev->vm->dev_mgr);
152 struct dev_io_hook * hook = dev_mgr_find_io_hook(mgr, port);
158 dev_mgr_remove_io_hook(mgr, hook);
159 dev_remove_io_hook(dev, hook);
161 return v3_unhook_io_port(dev->vm, port);
165 int v3_attach_device(struct guest_info * vm, struct vm_device * dev) {
166 struct vmm_dev_mgr *mgr= &(vm->dev_mgr);
169 dev_mgr_add_device(mgr, dev);
175 int v3_unattach_device(struct vm_device * dev) {
176 struct vmm_dev_mgr * mgr = &(dev->vm->dev_mgr);
178 dev->ops->deinit(dev);
179 dev_mgr_remove_device(mgr, dev);
189 int dev_mgr_hook_mem(struct guest_info *vm,
190 struct vm_device *device,
195 struct dev_mem_hook * hook = (struct dev_mem_hook*)V3_Malloc(sizeof(struct dev_mem_hook));
196 // V3_Malloc(struct dev_mem_hook *, hook,sizeof(struct dev_mem_hook));
202 /* not implemented yet
203 hook_memory(vm->mem_map,
204 guest_physical_address_start,
205 guest_physical_address_end,
212 return -1; // remove when hook_memory works
215 hook->addr_start = start;
216 hook->addr_end = end;
223 int dev_mgr_unhook_mem(struct vm_device *dev,
227 struct vmm_dev_mgr * mgr = &(dev->vm->dev_mgr);
228 struct dev_mem_hook *hook = dev_mgr_find_mem_hook(mgr, start, end);
231 // Very bad - unhooking something that doesn't exist!
236 /* not implemented yet
237 return unhook_mem_port(vm->mem_map,
238 guest_physical_start,
239 guest_physical_end) ;
248 void PrintDebugDevMgr(struct guest_info * info) {
249 struct vmm_dev_mgr * mgr = &(info->dev_mgr);
250 struct vm_device * dev;
251 PrintDebug("%d devices registered with manager\n", mgr->num_devs);
253 list_for_each_entry(dev, &(mgr->dev_list), dev_link) {
255 PrintDebug("next..\n");
262 void PrintDebugDev(struct vm_device * dev) {
264 PrintDebug("Device: %s\n", dev->name);
265 PrintDebugDevIO(dev);
268 void PrintDebugDevMgrIO(struct vmm_dev_mgr * mgr) {
272 void PrintDebugDevIO(struct vm_device * dev) {
273 struct dev_io_hook * hook;
275 PrintDebug("IO Hooks(%d) for Device: %s\n", dev->num_io_hooks, dev->name);
277 list_for_each_entry(hook, &(dev->io_hooks), dev_list) {
278 PrintDebug("\tPort: 0x%x (read=0x%x), (write=0x%x)\n", hook->port, hook->read, hook->write);