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 vmm_dev_mgr * 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 vmm_dev_mgr * mgr) {
26 struct vm_device * dev;
28 list_for_each_entry(dev, &(mgr->dev_list), dev_link) {
29 v3_unattach_device(dev);
39 static int dev_mgr_add_device(struct vmm_dev_mgr * mgr, struct vm_device * dev) {
40 list_add(&(dev->dev_link), &(mgr->dev_list));
46 static int dev_mgr_remove_device(struct vmm_dev_mgr * mgr, struct vm_device * dev) {
47 list_del(&(dev->dev_link));
56 int dev_mgr_add_io_hook(struct vmm_dev_mgr * mgr, struct dev_io_hook * hook) {
57 list_add(&(hook->mgr_list), &(mgr->io_hooks));
63 int dev_mgr_remove_io_hook(struct vmm_dev_mgr * mgr, struct dev_io_hook * hook) {
64 list_del(&(hook->mgr_list));
71 int dev_add_io_hook(struct vm_device * dev, struct dev_io_hook * hook) {
72 list_add(&(hook->dev_list), &(dev->io_hooks));
78 int dev_remove_io_hook(struct vm_device * dev, struct dev_io_hook * hook) {
79 list_del(&(hook->dev_list));
89 struct dev_io_hook * dev_mgr_find_io_hook(struct vmm_dev_mgr * mgr, ushort_t port) {
90 struct dev_io_hook * tmp;
92 list_for_each_entry(tmp, &(mgr->io_hooks), mgr_list) {
93 if (tmp->port == port) {
100 struct dev_io_hook * dev_find_io_hook(struct vm_device * dev, ushort_t port) {
101 struct dev_io_hook * tmp;
103 list_for_each_entry(tmp, &(dev->io_hooks), dev_list) {
104 if (tmp->port == port) {
114 int dev_hook_io(struct vm_device *dev,
116 int (*read)(ushort_t port, void * dst, uint_t length, struct vm_device * dev),
117 int (*write)(ushort_t port, void * src, uint_t length, struct vm_device * dev)) {
119 struct dev_io_hook *hook = (struct dev_io_hook *)V3_Malloc(sizeof(struct dev_io_hook));
126 if (v3_hook_io_port(&(dev->vm->io_map), port,
127 (int (*)(ushort_t, void *, uint_t, void *))read,
128 (int (*)(ushort_t, void *, uint_t, void *))write,
136 dev_mgr_add_io_hook(&(dev->vm->dev_mgr), hook);
137 dev_add_io_hook(dev, hook);
147 int dev_unhook_io(struct vm_device *dev,
150 struct vmm_dev_mgr * mgr = &(dev->vm->dev_mgr);
151 struct dev_io_hook * hook = dev_mgr_find_io_hook(mgr, port);
157 dev_mgr_remove_io_hook(mgr, hook);
158 dev_remove_io_hook(dev, hook);
160 return v3_unhook_io_port(&(dev->vm->io_map), port);
164 int v3_attach_device(struct guest_info * vm, struct vm_device * dev) {
165 struct vmm_dev_mgr *mgr= &(vm->dev_mgr);
168 dev_mgr_add_device(mgr, dev);
174 int v3_unattach_device(struct vm_device * dev) {
175 struct vmm_dev_mgr * mgr = &(dev->vm->dev_mgr);
177 dev->ops->deinit(dev);
178 dev_mgr_remove_device(mgr, dev);
188 int dev_mgr_hook_mem(struct guest_info *vm,
189 struct vm_device *device,
194 struct dev_mem_hook * hook = (struct dev_mem_hook*)V3_Malloc(sizeof(struct dev_mem_hook));
195 // V3_Malloc(struct dev_mem_hook *, hook,sizeof(struct dev_mem_hook));
201 /* not implemented yet
202 hook_memory(vm->mem_map,
203 guest_physical_address_start,
204 guest_physical_address_end,
211 return -1; // remove when hook_memory works
214 hook->addr_start = start;
215 hook->addr_end = end;
222 int dev_mgr_unhook_mem(struct vm_device *dev,
226 struct vmm_dev_mgr * mgr = &(dev->vm->dev_mgr);
227 struct dev_mem_hook *hook = dev_mgr_find_mem_hook(mgr, start, end);
230 // Very bad - unhooking something that doesn't exist!
235 /* not implemented yet
236 return unhook_mem_port(vm->mem_map,
237 guest_physical_start,
238 guest_physical_end) ;
247 void PrintDebugDevMgr(struct vmm_dev_mgr * mgr) {
248 struct vm_device * dev;
249 PrintDebug("%d devices registered with manager\n", mgr->num_devs);
251 list_for_each_entry(dev, &(mgr->dev_list), dev_link) {
253 PrintDebug("next..\n");
260 void PrintDebugDev(struct vm_device * dev) {
262 PrintDebug("Device: %s\n", dev->name);
263 PrintDebugDevIO(dev);
266 void PrintDebugDevMgrIO(struct vmm_dev_mgr * mgr) {
270 void PrintDebugDevIO(struct vm_device * dev) {
271 struct dev_io_hook * hook;
273 PrintDebug("IO Hooks(%d) for Device: %s\n", dev->num_io_hooks, dev->name);
275 list_for_each_entry(hook, &(dev->io_hooks), dev_list) {
276 PrintDebug("\tPort: 0x%x (read=0x%x), (write=0x%x)\n", hook->port, hook->read, hook->write);